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Home >> Kia >> 2017 >> Sorento SX, FWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Delivery System - 3.3L >> Fuel Pump Control Module (FPCM) >> Repair Procedures >> Inspection

Repair Procedures: Inspection

  1. Connect the GDS to the vehicle's data link connector (DLC).
  2. Check and if DTCs exist, repair according to the DTC guide.
  3. Check the power supply voltage provided to the fuel pressure sensor (FPS). [Terminal 4 and 5]

    Specification: 5V

    Fig 1: Locating Fuel Pressure Sensor Connector
    G12181643Courtesy of KIA MOTORS AMERICA, INC.
  4. Check the voltage provided to the fuel pressure sensor (FPS) at idle.

    Specification: 1.9 ~ 3.2 V

    Fig 2: Locating Fuel Pressure Sensor Connector
    G12181644Courtesy of KIA MOTORS AMERICA, INC.
  5. Check the fuel pressure in the low fuel line. [Terminal 2 and 5]

    (Refer to "Fuel Pressure Test (Low pressure system) ") [Terminal 2 and 5]

    Items Specification
    start Max. 600 KPa (Max. 6.1 kgf/cm2 , Max. 87.0 psi)
    in operation 350 ~ 500 KPa (3.5 ~ 5.1 kgf/cm2 , 50.7 ~ 72.5 psi)
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